/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.gds.core.utils.progress.tasks;

public final class TaskTraversal {

    private TaskTraversal() {}

    public static void visitPreOrderWithDepth(Task task, DepthAwareTaskVisitor visitor) {
        visitPreOrderWithDepth(task, visitor, 0);
    }

    private static void visitPreOrderWithDepth(Task task, DepthAwareTaskVisitor visitor, int depth) {
        visitor.setDepth(depth);
        task.visit(visitor);
        task.subTasks().forEach(subTask -> visitPreOrderWithDepth(subTask, visitor, depth + 1));
    }
}
